[Event "Giải Cờ Vua Logic Lần Thứ 20"] [Site "https://lichess.org/cNjzRJxp"] [Date "2025.11.09"] [Round "-"] [White "duc2016"] [Black "lequangtri2014"] [Result "1/2-1/2"] [GameId "cNjzRJxp"] [UTCDate "2025.11.09"] [UTCTime "14:24:27"] [WhiteElo "1591"] [BlackElo "1534"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D20"] [Opening "Queen's Gambit Accepted: Old Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.17] } 1... d5 { [%eval 0.18] } 2. c4 { [%eval 0.18] } 2... dxc4 { [%eval 0.28] } 3. e3 { [%eval 0.13] } { D20 Queen's Gambit Accepted: Old Variation } 3... e5 { [%eval 0.3] } 4. dxe5?! { (0.30 → -0.50) Inaccuracy. Bxc4 was best. } { [%eval -0.5] } (4. Bxc4 exd4 5. exd4 Bd6 6. Nf3 Nf6 7. Qe2+ Qe7 8. Qxe7+ Bxe7) 4... Qxd1+ { [%eval -0.44] } 5. Kxd1 { [%eval -0.3] } 5... Nc6 { [%eval -0.39] } 6. Nf3 { [%eval -0.34] } 6... Bg4 { [%eval -0.3] } 7. Bxc4 { [%eval -0.27] } 7... Bxf3+?! { (-0.27 → 0.39) Inaccuracy. Nxe5 was best. } { [%eval 0.39] } (7... Nxe5 8. Be2 O-O-O+ 9. Bd2 Nxf3 10. gxf3 Be6 11. Ke1 Be7 12. h4) 8. gxf3 { [%eval 0.35] } 8... Nxe5 { [%eval 0.38] } 9. Bd5?? { (0.38 → -4.32) Blunder. Be2 was best. } { [%eval -4.32] } (9. Be2 Be7 10. Kc2 Nc6 11. Rg1 g6 12. Bd2 O-O-O 13. Bc4 Ne5 14. Bc3 Bf6) 9... O-O-O { [%eval -4.14] } 10. e4 { [%eval -4.09] } 10... c6 { [%eval -4.17] } 11. f4 { [%eval -4.13] } 11... cxd5?? { (-4.13 → -0.63) Blunder. Nc4 was best. } { [%eval -0.63] } (11... Nc4 12. b3 Nd6 13. Bxf7 Nxf7+ 14. Kc2 Nf6 15. f3 b6 16. Nc3 Nh5 17. Be3) 12. fxe5 { [%eval -0.59] } 12... dxe4+ { [%eval -0.74] } 13. Ke2 { [%eval -0.75] } 13... Re8 { [%eval -0.26] } 14. Bf4 { [%eval -0.17] } 14... h6 { [%eval 0.32] } 15. Ke3?! { (0.32 → -0.76) Inaccuracy. Nd2 was best. } { [%eval -0.76] } (15. Nd2 Ne7 16. Rac1+ Nc6 17. Rhd1 Rd8 18. h4 Be7 19. Bg3) 15... g5 { [%eval -0.72] } 16. Bg3 { [%eval -0.82] } 16... f5 { [%eval -0.41] } 17. exf6 { [%eval -0.46] } 17... Nxf6 { [%eval -0.48] } 18. Nc3 { [%eval -0.7] } 18... Bc5+ { [%eval -0.55] } 19. Ke2 { [%eval -0.52] } 19... b6 { [%eval -0.21] } 20. Rac1 { [%eval -0.24] } 20... Kb7 { [%eval -0.18] } 21. Nb5 { [%eval -0.55] } 21... Re6?! { (-0.55 → 0.02) Inaccuracy. e3 was best. } { [%eval 0.02] } (21... e3 22. Rxc5 bxc5 23. Nd6+ Kc6 24. Nxe8 Rxe8 25. fxe3 Nd5 26. Rf1 Rxe3+ 27. Kd2) 22. Rhd1 { [%eval -0.28] } 22... h5?! { (-0.28 → 0.47) Inaccuracy. Rc8 was best. } { [%eval 0.47] } (22... Rc8) 23. h3?! { (0.47 → -0.43) Inaccuracy. b4 was best. } { [%eval -0.43] } (23. b4 h4) 23... h4 { [%eval -0.46] } 24. Bh2 { [%eval -0.5] } 24... a6 { [%eval 0.0] } 25. Nc3?! { (0.00 → -0.93) Inaccuracy. Nd4 was best. } { [%eval -0.93] } (25. Nd4 Bxd4 26. Rc7+ Ka8 27. Rxd4 g4 28. hxg4 Nxg4 29. Rdd7 Nxh2 30. Ra7+ Kb8) 25... Rhe8?! { (-0.93 → -0.12) Inaccuracy. Rc8 was best. } { [%eval -0.12] } (25... Rc8 26. Na4) 26. Nd5? { (-0.12 → -1.59) Mistake. Na4 was best. } { [%eval -1.59] } (26. Na4 g4) 26... Nxd5 { [%eval -1.64] } 27. Rxd5 { [%eval -1.6] } 27... Rf6 { [%eval -1.67] } 28. Rd7+? { (-1.67 → -3.31) Mistake. Bg1 was best. } { [%eval -3.31] } (28. Bg1 Rf3) 28... Ka8? { (-3.31 → -1.48) Mistake. Kc6 was best. } { [%eval -1.48] } (28... Kc6 29. Rd4 a5 30. Bg1 Rf4 31. Rdc4 Kd5 32. R4c3 Ref8 33. Rd1+ Kc6 34. Rd4) 29. Bg1 { [%eval -1.14] } 29... Ref8?! { (-1.14 → -0.39) Inaccuracy. a5 was best. } { [%eval -0.39] } (29... a5 30. Rg7) 30. Rcd1? { (-0.39 → -2.08) Mistake. Rc4 was best. } { [%eval -2.08] } (30. Rc4 Bxf2 31. Rcc7 Bg3 32. Ra7+ Kb8 33. Rdb7+ Kc8 34. Re7 Bb8 35. Ra8 Rc6) 30... Bxf2?? { (-2.08 → 3.00) Blunder. R8f7 was best. } { [%eval 3.0] } (30... R8f7) 31. Rd8+ { [%eval 3.15] } 31... Kb7 { [%eval 3.22] } 32. Rxf8 { [%eval 3.21] } 32... Rxf8 { [%eval 3.06] } 33. Bxf2 { [%eval 3.03] } 33... Rf3 { [%eval 3.15] } 34. Rd4?! { (3.15 → 2.08) Inaccuracy. Rg1 was best. } { [%eval 2.08] } (34. Rg1 Rxh3 35. Rxg5 Rh1 36. Rh5 h3 37. Bg3 Kc6 38. Ke3 Ra1 39. a3 Rb1) 34... Rxh3 { [%eval 2.17] } 35. Rxe4 { [%eval 2.1] } 35... b5?! { (2.10 → 3.40) Inaccuracy. Rh1 was best. } { [%eval 3.4] } (35... Rh1 36. Kf3) 36. Rg4 { [%eval 3.28] } 36... a5 { [%eval 3.68] } 37. Rxg5 { [%eval 3.76] } 37... Kc6 { [%eval 4.01] } 38. Rh5 { [%eval 3.52] } 38... b4? { (3.52 → 6.43) Mistake. Rh1 was best. } { [%eval 6.43] } (38... Rh1 39. Rxh4 Ra1 40. a3 b4 41. axb4 a4 42. Kd3 Kb5 43. Rh8 a3 44. Rb8+) 39. Rxh4 { [%eval 6.27] } 39... Rxh4 { [%eval 6.52] } 40. Bxh4 { [%eval 6.5] } 40... Kc5 { [%eval 6.5] } 41. Kd3 { [%eval 6.19] } 41... Kb5 { [%eval 6.53] } 42. Kd4 { [%eval 5.9] } 42... a4 { [%eval 7.06] } 43. b3 { [%eval 6.47] } 43... axb3 { [%eval 7.84] } 44. axb3 { [%eval 7.77] } 44... Ka6 { [%eval 7.58] } 45. Kc4 { [%eval 7.78] } 45... Ka5? { (7.78 → Mate in 13) Checkmate is now unavoidable. Kb7 was best. } { [%eval #13] } (45... Kb7 46. Kd5 Kb6 47. Be7 Kc7 48. Bd6+ Kb6 49. Bxb4 Kb7 50. Be7 Kb6 51. Bd6) 46. Kc5 { [%eval #12] } 46... Ka6 { [%eval #12] } 47. Bf2?! { (Mate in 12 → 39.62) Lost forced checkmate sequence. Kc6 was best. } { [%eval 39.62] } (47. Kc6 Ka7 48. Be1 Kb8 49. Bxb4 Ka8 50. Bd6 Ka7 51. Bf4 Ka6 52. b4 Ka7) 47... Ka7 { [%eval 83.08] } 48. Kd5+ { [%eval #25] } 48... Kb7 { [%eval 7.82] } 49. Kc4 { [%eval 8.02] } 49... Kb8 { [%eval 83.08] } 50. Kd3 { [%eval 83.08] } 50... Ka8?! { (83.08 → Mate in 21) Checkmate is now unavoidable. Kc7 was best. } { [%eval #21] } (50... Kc7 51. Be1 Kd6 52. Kc4 Ke5 53. Bxb4 Ke6 54. Be1 Ke5 55. Bg3+ Kf5 56. b4) 51. Kc4 { [%eval 14.45] } 51... Kb7 { [%eval 62.99] } 52. Kd5?! { (62.99 → 7.75) Inaccuracy. Be1 was best. } { [%eval 7.75] } (52. Be1 Kc6 53. Bxb4 Kd7 54. Kd5 Ke8 55. Bd6 Kd7 56. b4 Kd8 57. Kc6 Ke8) 52... Kb8 { [%eval 8.07] } 53. Ke4 { [%eval 7.89] } 53... Ka8 { [%eval 7.93] } 54. Kf5 { [%eval 7.92] } 54... Kb7? { (7.92 → Mate in 23) Checkmate is now unavoidable. Kb8 was best. } { [%eval #23] } (54... Kb8 55. Ke5 Kb7 56. Kd6 Ka8 57. Kc6 Kb8 58. Be1 Kc8 59. Bxb4 Kd8 60. Bd2) 55. Ke5 { [%eval #21] } 55... Kb8 { [%eval 83.08] } 56. Kd5 { [%eval 83.08] } 56... Ka8?! { (83.08 → Mate in 13) Checkmate is now unavoidable. Kc7 was best. } { [%eval #13] } (56... Kc7 57. Bc5 Kd8 58. Bxb4 Kc7 59. Bc5 Kb7 60. Bf2 Kc8 61. Kc6 Kd8 62. b4) 57. Kc4?! { (Mate in 13 → 31.20) Lost forced checkmate sequence. Kc6 was best. } { [%eval 31.2] } (57. Kc6 Kb8 58. Bc5 Kc8 59. Be7 Kb8 60. Bxb4 Ka8 61. Bd6 Ka7 62. Bg3 Ka6) 57... Kb7 { [%eval 76.68] } 58. Kxb4 { [%eval 83.08] } 58... Kb8 { [%eval 10.32] } 59. Kc5 { [%eval 18.91] } 59... Ka8?! { (18.91 → Mate in 9) Checkmate is now unavoidable. Kc7 was best. } { [%eval #9] } (59... Kc7) 60. b4 { [%eval #13] } 60... Ka7 { [%eval #8] } 61. b5 { [%eval #9] } 61... Kb7 { [%eval #10] } 62. b6 { [%eval #9] } 62... Kb8 { [%eval #6] } 63. Bg3+ { [%eval #8] } 63... Ka8 { [%eval #7] } 64. Kc6?? { (Mate in 7 → 0.00) Lost forced checkmate sequence. Bh4 was best. } { [%eval 0.0] } { Draw by stalemate. } (64. Bh4 Kb7 65. Kb5 Kb8 66. Kc6 Ka8 67. b7+ Ka7 68. Bg3 Ka6 69. b8=Q Ka5) 1/2-1/2